Portable radio telephone



FIG. 1 is a front, bottom, and left side perspective view of a portable radio telephone showing our new design, the broken line showing of displayed characters being for illustrative purposes only;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof; and,

FIG. 7 is a rear elevational view thereof. 

The ornamental design for a portable radio telephone, as shown. 